Installation Guide
Review and understand complete
guide before beginning installation.
This guide has been prepared as suggested details to particular design conditions. Each condition has certain limitations to performance, aethetics or economics. Professionals qualified to
assess this information for a specific project, should determine that the selection and installation are made to their
requirements. ATAS cannot assume any responsibility
for the actual selection and/or installation of materials.
The panels, flashings and trim shown in this guide, illustrated over solid and plumb substrate, assume that the
structure has been designed and prepared in accordance
with local building codes.
Permashake panels are simulated wood shakes
manufactured from 29 gauge G90 galvanized steel.
They are available in 6 standard colors with a Hylar 500
R
and/or Kynar 5000Rfinish. They measure 10 5/8” (nom.) x
61” (nom.) Minimum recommended roof pitch is 4:12.
Insertion tab at
left end of panel
1” nom. front face with
9/16” nom. tab bent under
1/2” hem on
top surface
Interlock slot on
right end of panel
PANELINSTALLATION - In environments where ice and water may dam, apply ATAShield**underlayment over entire substrate. Begin installation
over solid deck by applying ATA Shield
*
around perimeters of roof with a minimum of 36” coverage. Then apply ATA Guard*or appropriate underlayment over roof deck. Snap a vertical and horizontal line to square up the plane with the eave line. Start at the bottom left hand corner of the roof
plane with a full length panel. Install shingles in a left to right manner from eave to ridge. See below for stagger methods of installation. Fasten
panels to solid substrate with galvanized steel clips using a minimum of three (3) to a panel. Manufacturer recommends the use of 1” wafer head
screws.
Channel trim
STEP STAGGER METHOD
Each course 10” to the left of
the lower course.
Channel trim
RANDOM STAGGER METHOD
Cut and start each course as
follows beginning at the lower left
edge of the roof.
**
In areas of high winds and / or heavy
snow loads, a clip is recommended
every 12” with 5 clips per panel.
Section through interlocking slot at right end of panel
60” coverage
Interlock slot at right end
10-5/8”
There are twelve (12) Permashake panels packaged per
carton. Approximately twenty-four (24) panels equal a
square. Panels are always installed left to right and
should have a minimum of three (3) anchor clips.
Gable Detail
Eave Detail
Valley Detail
1. When applying a re-roof application, cut back
existing shingles and drip edging to be flush with
eave and gable lines.
2. Apply A TA-Shield
**
in areas where ice & water
damming can occur. Extend underlayment over fascia board. Install drip edge as tight as possible
against the fascia trim. Space fasteners at maximum
of 12” o.c. Overlap eave trim a minimum of 3”.
3. Lay a full width of ATA-Guard
*
over the eave trim.
Apply butyl tape on top of drip edge and fasten
starter cleat through eave trim into substrate with
front face up as shown to right.
4. Install panel only after the gable closure is
installed (see below). Install by sliding lower flanged
edge between starter cleat and drip edge. Square
the panel in the J channel at the gable edge and fasten with clips and a 1” wafer head screw.
1. Install drip edge over ATA-Guard
*
2. Apply sealant along drip edge as shown to the
right. Lay the channel trim along the gable edge.
Overlap channel at a minimum of 2” to 4”.
3. Align the first shingle into the J channel and snap
a line across the roof plane. (See panel installation
section)
1. Install ATA-Shield**18” up both sides of the valley
line.
2. Install the valley pan and clip fasten through the
substrate at 24”-0” o.c.
3. Lay shingles onto the valley pan maintaining at
least 3” clearance from the valley’s center.
Underlayments: ATA-Shield** is the recommended self adhesive
underlayment for eaves, sidewall and any critical areas exposed
to ice damming and extensive water run off.
Available in 65’-8” x 39-3/8” rolls (2000 sq. ft. per roll).
Underlayments: ATA-Guard* is a polyolefin based, 100% asphalt
free, high strength reinforced roofing underlayment for use
beneath metal roofing on steep slope applications. 1000 sq. ft.
per roll at 48” wide.
ATA-Shield
**
#10 x 1”
Wafer Head
Screws
Permashake
Panel
ATA-Guard
*
3”
Nom.
HCP903
Anchor Clips
HSA800
Valley Pan
Permashake
Panel
HSA200
Channel
Trim
Butyl
Tape
HSA112
Drip Edge
#10 x 1” Wafer
Head Screws
ATA-Guard
*
Permashake
Panel
ATA-Guard
*
ATA-Shield
**
HSA113
Starter
Cleat
HSA112
Drip Edge
Butyl Tape
Fascia
#10 x 1” Wafer
Head Screws
Hip & Ridge Detail
Headwall Detail Shed Ridge Detail
Hip and ridge applications are handled in the
same manner.
1. Install roof panels to meet at hip or ridge.
(Depending on roof geometry and run of roof,
the top panel may have to be cut along the
length of panel.
2. Lay a 6” strip of closure tape across hip/ridge
line.
3. Lay cap on roof and chalk a line to mark
placement of butyl sealant tape.
4. Secure the cap with a 2” x 5/16” painted/gasketed screw approx. 2’-0” o.c.
Ridge caps can accommodate standard ridge
venting products. Refer to venting manufacturer’s instructions and local building code requirements.
Note: For hip applications, fasten the caps to
the high point on the shingle in order to avoid
dimpling, and make sure the screw penetrates
the cap through the butyl sealant tape into the
solid substrate.
1. Install metal shingles up to the headwall. Shim the panel if
necessary as shown above..
2. Lay headwall trim over the shingles while insuring that the
perpendicular section is flush against the headwall. use double
faced caulk tape between the panel and trim assemblies.
3. Apply counterflashing over the headwall trim as required, or
install wall paneling.
Reglet
HSA980
Counterflashing
Appropriate
Anchor
Fastener
HSA510
Headwall Trim
2” Hex Head Screw
w/washer
Permashake Panel
#10 x 1”
Wafer
Head
Screw
Anchor Clip
2” Hex
Head Screw
w / washer
HSA342
Shed Ridge
2” Hex Head Screw
w / washer
Anchor Clip
ATA-Guard*
Butyl Tape
#10 x 1” Wafer
Head Screw
ATA-Guard*
Permashake Panel
HSA302
Short hip cap pieces
Panels cut to meet
at hip line
Locate
fasteners
here
Hip cap bent to hip angle and two interlocking
tabs bent up to allow fastening - bend these two
tabs down again after applying the fasteners.
Hip Line
ATA-Guard
*
ATAS Permashake Panel
HSA200
Channel Trim
2” lap
Prevailing
Wind Direction
HSA301
Short ridge cap pieces
Start applying ridge cap shingles
at this end.
1. Install metal shingles up to the shed ridge peak. Shim panel
if necessary as shown above.
2. Place double faced caulk tape just inside hem of Shed Ridge
Trim. Fit trim to peak. Fasten through tape and shingle into
solid substrate. Use 2” x 5/16” painted / gasketed screws.
3. Front face fasten Shed Ridge Peak Trim to facade.
Pipe Detail
Step 1
Cut on the proper pipe diam-
eter marked on the
flashing.
Step 2
Position over pipe and slide
down the pipe.
Step 3
Apply polyurethane sealant to
the bottom of the base.
Step 4
Mold the flexible base to
the panel contours.
Step 5
Fasten with 1/4” x
1-1/8” drilling
fastener every 1-
1/2” around the
base.
Pipe drawings provided by Triangle Fasteners
Tools and Rules:
Basic Equipment Required:
Tie-off ropes, safety harness, long level, ladders, scaffolding with
approved planking, extension cords with approved ground plugs
and services.
Additional Tools:
Metal folding tool, hammer, chalk line, measuring tape, metal cutting tools - nibblers, drills, hacksaw, utility knife, pop-rivet gun,
caulking guns, layout and combination square, C clamps, sheet
metal shears (including RH, LH, straight and overhand). Power
driven screw gun with proper bits, depth-setting nosepiece, variable speed.
Choose the correct equipment and tools to do the job in a
safe manner. Wear safety gear and follow OHSA requirements.
Follow these simple rules:
1. Never cut the panels with an abrasive cut-off wheel or torch, as
this will damage the finish.
2. Do not weld the trim or panels.
3. Remove any small burrs left by cutting, screwing or drilling.
4. Remove protective masking immediately after trim is installed.
5. Caution should be taken when unloading the panels to prevent
damage.
6. Use appropriate screws for the type of underlayment and long
enough to fully penetrate and secure the panel.
7. The stored materials should be kept dry.
8. Do not cut on finished roof. Remove all drill spirals, chips and
dust immediately.
9. Seal neoprene closures and soft cell foam by applying appropriate sealant to both surfaces.
10. Put appropriate sealant/butyl tape between overlapping trims.
11. Overlap trims in a manner not to impede the flow of water.
For further information or assistance, contact our Residential Product Support at 877-286-3320
©2004 Accel Roofing Products. All
rights reserved. Permashake is a
tradename owned by ATAS
International, Inc.
ATAS International, Inc.
Corporate Office
6612 Snowdrift Road
Allentown, PA 18106
Sidewall Detail
1. Install ATA-Shield** along roof plane and up sidewall.
2. Install step flashing tight against the sidewall.
3. Install the panel up to the wall. Fasten the panel
as close to the wall as possible without penetrating
the step flashing.
4. Install the sidewall cap and fasten in place.
5. If the wall treatment is siding, it should lay over the
sidewall trim. If brick or stucco, a reglet should be
used with counterflashing to seal. Be sure to seal
reglet.
Note: Step flashing is designed to drain onto the top
side of lower panel. The panel that overlaps step
flashing should be notched to allow water to drain
out.
Note Regarding Trim Details
The application of flashing and trim requires a detailed approach. Consideration should be given to the roof’s geometry and course it
creates for water run-off. Location of gutters and the use of snow retention systems should also be considered. Proper planning
regarding the sequence of material overlap is critical. Sealants, such as butyl tapes and tripolymers, should be used at overlapping
trim edges, in conjunction with exposed fasteners, and to seal flashings. All fasteners should be properly tightened and not over driven at an angle. Fasteners that are to loose can “back out” over time. An overdriven fastener may cause a depression in the material,
which be comes a collection point for standing water.
Appropriate
Anchor
Fastener
Sealant in Reglet
HSA980
Counterflashing
ATA-Guard
*
HSA410
Sidewall Cap
HSA400
Step Flashing
Permashake
Panel
(610) 395-8445
LAT240 C3M804
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